package com.zxn.project.interceptor;


import com.zxn.project.util.JwtUtil;
import io.jsonwebtoken.Claims;
import org.springframework.util.StringUtils;
import org.springframework.web.method.HandlerMethod;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


public class WxInterceptor implements HandlerInterceptor {

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {

        String path=request.getRequestURI();
        System.out.println("path="+path);

        if (handler instanceof HandlerMethod){
            String token=request.getHeader("token");
            System.out.println("token");
            if (StringUtils.isEmpty(token)){
                System.out.println("token为空");
                throw  new RuntimeException("签名验证不存在");
            }else {
                Claims claims = JwtUtil.parseJWT(token);
                if(claims==null){
                    throw  new RuntimeException("鉴权失败");
                }else {
                    System.out.println("鉴权成功");
                    return true;
                }
            }
        }else {
            return true;
        }
    }
}
